43813025945 has 32 divisors (see below), whose sum is σ = 56881440000. Its totient is φ = 32205153024.

The previous prime is 43813025939. The next prime is 43813025953. The reversal of 43813025945 is 54952031834.

It is a cyclic number.

It is not a de Polignac number, because 43813025945 - 2¹⁴ = 43813009561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43813025896 and 43813025905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15936431 + ... + 15939179.

It is an arithmetic number, because the mean of its divisors is an integer number (1777545000).

Almost surely, 2^43813025945 is an apocalyptic number.

It is an amenable number.

43813025945 is a deficient number, since it is larger than the sum of its proper divisors (13068414055).

43813025945 is a wasteful number, since it uses less digits than its factorization.

43813025945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 43813025945 in words is "forty-three billion, eight hundred thirteen million, twenty-five thousand, nine hundred forty-five".